210088780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8761}}^1$

素因数の和:8890

約数の個数: 48

約数和(自身を含む): 485765280

約数和(自身を除く): 275676500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 8761, 11990, 17522, 23980, 35044, 43805, 87610, 96371, 175220, 192742, 385484, 481855, 954949, 963710, 1909898, 1927420, 3819796, 4774745, 9549490, 10504439, 19098980, 21008878, 42017756, 52522195, 105044390, 210088780]

約数ペア:

[(1, 210088780), (2, 105044390), (4, 52522195), (5, 42017756), (10, 21008878), (11, 19098980), (20, 10504439), (22, 9549490), (44, 4774745), (55, 3819796), (109, 1927420), (110, 1909898), (218, 963710), (220, 954949), (436, 481855), (545, 385484), (1090, 192742), (1199, 175220), (2180, 96371), (2398, 87610), (4796, 43805), (5995, 35044), (8761, 23980), (11990, 17522)]